100+ Free PCAA Meteorology Practice Questions

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Sample PCAA Meteorology Practice Questions

Try these sample questions to test your PCAA Meteorology exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In the International Standard Atmosphere (ISA), what are the mean sea-level values of temperature and pressure?

A.15 °C and 1013.25 hPa

B.0 °C and 1000 hPa

C.20 °C and 1013.25 hPa

D.15 °C and 1000 hPa

Explanation: ISA defines mean sea-level conditions as 15 °C and 1013.25 hPa (with density 1.225 kg/m³). These reference values are used for performance, altimetry and density-altitude calculations worldwide.

2What is the ISA temperature lapse rate in the troposphere from sea level up to the tropopause?

A.1.0 °C per 100 m

B.0.65 °C per 100 m (about 2 °C per 1000 ft)

C.3.0 °C per 1000 ft

D.0.5 °C per 1000 ft

Explanation: The ISA environmental lapse rate is 0.65 °C per 100 m, approximately 1.98 °C per 1000 ft, applied from mean sea level to the 11 km tropopause. Do not confuse this with the dry adiabatic lapse rate of about 3 °C/1000 ft.

3In the ISA, what is the temperature at the tropopause (11 km / about FL360), and how does it behave from 11 km to 20 km?

A.−40 °C, then steadily decreasing

B.−56.5 °C, then immediately increasing

C.−56.5 °C, remaining constant up to 20 km

D.−65 °C, remaining constant

Explanation: In the ISA the tropopause is at 11 km with a temperature of −56.5 °C. From 11 km to 20 km the lower stratosphere is modelled as isothermal (temperature held constant) before temperature begins to rise at higher levels.

4How does tropopause height typically vary with latitude?

A.Highest over the poles, lowest over the equator

B.Constant at 11 km everywhere

C.Lowest over the equator because of strong convection

D.Highest (about 16–18 km) over the equator, lowest (about 8–9 km) over the poles

Explanation: The troposphere is deepest where surface heating and convection are strongest, so the tropopause is typically highest over the equator (about 16–18 km) and lowest over the poles (about 8–9 km). The ISA 11 km figure is only a mid-latitude mean.

5Which gas makes up approximately 78% of the dry atmosphere by volume?

A.Nitrogen

B.Argon

C.Carbon dioxide

D.Oxygen

Explanation: Dry air is about 78% nitrogen, 21% oxygen and nearly 1% argon and other gases. Water vapour is variable (roughly 0–4%) and is excluded from the dry-air composition figures used in meteorology.

6An aircraft flies from a warm air mass into a colder air mass at a constant indicated altitude with the altimeter set correctly on QNH. What happens to true altitude?

A.True altitude increases

B.True altitude decreases

C.True altitude remains unchanged

D.True altitude first rises then falls

Explanation: In colder-than-ISA air the pressure surfaces are lower, so for a given indicated altitude the aircraft is actually closer to the surface. Flying into colder air therefore reduces true altitude and terrain clearance, which is a classic altimetry hazard.

7What does setting QNH on an altimeter provide when the aircraft is on the ground at an aerodrome?

A.Height above the aerodrome elevation (zero on the runway)

B.Pressure altitude referenced to 1013.25 hPa

C.Altitude above mean sea level (approximately aerodrome elevation)

D.Flight level in the standard atmosphere

Explanation: QNH is the altimeter subscale setting that causes the altimeter to read approximate altitude above mean sea level. On the ground at an aerodrome it therefore shows roughly the published aerodrome elevation. QFE would read zero on the runway.

8Density altitude increases when which combination of conditions occurs?

A.High pressure, low temperature, low humidity

B.Low pressure, low temperature, low humidity

C.High pressure, high temperature, low humidity

D.Low pressure, high temperature, high humidity

Explanation: Density altitude rises when air density falls. Density is reduced by low pressure, high temperature and high humidity (moist air is less dense than dry air). High density altitude degrades take-off and climb performance.

9Which atmospheric layer contains most of the weather that affects aviation operations?

A.Troposphere

B.Mesosphere

C.Stratosphere

D.Thermosphere

Explanation: Virtually all clouds, precipitation, frontal weather and most turbulence occur in the troposphere, the lowest layer of the atmosphere. The tropopause marks its upper boundary and often caps convective cloud tops.

10A temperature inversion means that temperature:

A.Decreases more rapidly than the dry adiabatic lapse rate

B.Increases with increasing height

C.Remains constant with height

D.Decreases at exactly the ISA rate

Explanation: An inversion is a layer in which temperature increases with height. Inversions suppress vertical motion, trap haze and pollution, and often cap cloud tops or fog. An isothermal layer (constant temperature with height) is stable but is not an inversion.

About the PCAA Meteorology Exam

Pakistan CAA Meteorology is the pilot-licence theoretical-knowledge subject covering atmospheric physics and operational weather. Candidates study the International Standard Atmosphere and altimetry, wind systems, thermodynamics and stability, clouds and fog, precipitation, air masses and fronts, synoptic pressure systems, climatology (including South Asian monsoon and tropical storms), flight hazards such as icing, thunderstorms, windshear and mountain waves, and decoding of METAR, TAF, SIGMET and related products used for flight planning and in-flight decisions.

Assessment

Computer-based multiple-choice theoretical-knowledge examination in Meteorology for PCAA pilot licences (PPL/CPL/ATPL pathways as applicable). PCAA technical examinations are delivered electronically; the Meteorology paper aligns with ICAO Annex 1 theoretical knowledge and the international Subject 050 Meteorology outline (atmosphere, wind, thermodynamics, clouds/fog, precipitation, air masses/fronts, pressure systems, climatology, flight hazards, and meteorological information).

Time Limit

Exact official time limit is not published on the open PCAA website for the Meteorology subject alone. Confirm allotted time on your PCAA/Aspeq booking. ICAO/EASA-aligned Subject 050 papers are commonly about 1.5–2.0 hours by licence level.

Passing Score

Exact PCAA Meteorology pass mark is not published on the open public website. Many ICAO-aligned CAAs use 75% per theory subject — confirm the current requirement with PCAA Personnel Licensing or your ATO.

Exam Fee

Per-subject fees are set by PCAA and charged through the examination booking system. Confirm the current Meteorology paper fee with PCAA PEL or your Approved Training Organisation; do not rely on third-party fee lists. (Pakistan Civil Aviation Authority (PCAA))

PCAA Meteorology Exam Content Outline

13%

The Atmosphere

ISA, lapse rates, tropopause, density/pressure altitude, inversions, and QNH/QFE altimetry.

12%

Wind

Geostrophic/gradient wind, friction layer, local winds, jets, thermal wind and shear.

Thermodynamics

Humidity, dew point, adiabatic lapse rates, latent heat and stability.

Clouds and Fog

Cloud types/formation and radiation, advection, steaming and orographic fog.

Precipitation

Continuous vs showery precipitation, hail and freezing rain.

Air Masses and Fronts

Air-mass types, warm/cold/stationary fronts, occlusions and warm sector.

Pressure Systems

Lows, highs, troughs, ridges, cols and hemispheric circulation.

Climatology

ITCZ, trades, subtropical highs, monsoon, tropical cyclones and regional jets.

16%

Flight Hazards

Icing, thunderstorms, microbursts, CAT, mountain waves, ash and dust.

19%

Meteorological Information

METAR/SPECI/TAF, CAVOK, SIGMET/AIRMET, charts, RVR, ATIS and VOLMET.

How to Pass the PCAA Meteorology Exam

What You Need to Know

Passing score: Exact PCAA Meteorology pass mark is not published on the open public website. Many ICAO-aligned CAAs use 75% per theory subject — confirm the current requirement with PCAA Personnel Licensing or your ATO.
Assessment: Computer-based multiple-choice theoretical-knowledge examination in Meteorology for PCAA pilot licences (PPL/CPL/ATPL pathways as applicable). PCAA technical examinations are delivered electronically; the Meteorology paper aligns with ICAO Annex 1 theoretical knowledge and the international Subject 050 Meteorology outline (atmosphere, wind, thermodynamics, clouds/fog, precipitation, air masses/fronts, pressure systems, climatology, flight hazards, and meteorological information).
Time limit: Exact official time limit is not published on the open PCAA website for the Meteorology subject alone. Confirm allotted time on your PCAA/Aspeq booking. ICAO/EASA-aligned Subject 050 papers are commonly about 1.5–2.0 hours by licence level.
Exam fee: Per-subject fees are set by PCAA and charged through the examination booking system. Confirm the current Meteorology paper fee with PCAA PEL or your Approved Training Organisation; do not rely on third-party fee lists.

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

PCAA Meteorology Study Tips from Top Performers

1Memorise ISA sea-level values (15 °C, 1013.25 hPa) and the 0.65 °C/100 m lapse rate, then practise true-altitude and density-altitude reasoning in colder/hotter-than-ISA air.

2Drill METAR/TAF decoding daily: wind groups with gusts, cloud bases in hundreds of feet, weather codes such as TSRA, CAVOK rules, and TEMPO vs BECMG vs FM.

3Link hazards to synoptic features — clear ice and freezing rain to warm-nose profiles, CAT to jet shear, microbursts to mature thunderstorms, and mountain waves to stable flow over Pakistan’s northern terrain.

Frequently Asked Questions

What does the PCAA Meteorology theory exam cover?

It covers ICAO-aligned Subject 050 Meteorology topics: the atmosphere and altimetry, wind, thermodynamics, clouds and fog, precipitation, air masses and fronts, pressure systems, climatology, flight hazards (icing, thunderstorms, windshear, mountain waves, ash/dust), and meteorological information such as METAR, TAF and SIGMET.

Is this practice bank the official PCAA exam?

No. This is an independent free practice set of 100 multiple-choice questions written to the international Subject 050 topic structure used by ICAO-aligned authorities. Official papers are administered by PCAA through its computer-based examination system (Aspeq).

What pass mark and fees apply?

PCAA does not publish a stable public Meteorology-only fee and pass-mark table on its open website. Confirm current per-subject fees, pass criteria, question count and timing with PCAA Personnel Licensing or your Approved Training Organisation when you book.

How should I use METAR and TAF practice for the exam?

Learn wind, visibility, weather and cloud groups, CAVOK criteria, and TAF change indicators (TEMPO, BECMG, FM), plus when SPECI, SIGMET and AIRMET apply. Decode full sample reports under timed conditions rather than memorising isolated codes.